267 



Bombus — continued. 



impatiens, 56, 108, 111, 200. 



pennsylvanicus, 45, 46, 54, 56, 108, 

 109, 111, 199. 



separatus, 45, 46, 50, 52, 111, 163, 

 200. 

 Bombycid, 220. 

 Bombyliidfe, 115, 185. 

 Bombylius, 186. 

 Borer,"^ elm, 146, 154. 



flat-headed apple-tree, 146. 



heartwood, 154. 



hickory, 147. 



locust, 145, 154. 



sugar-maple, 232. 

 Borers, wood, 99, 100. 

 Bothropolys multidentatus, 134. 

 Botrvehiuni virginianum, 63. 

 Box dder, 143. 

 Brachycoma, 120. 



davidsoni, 200. 

 Brachvnemurus abdominalis, 50, 51, 



111, 165. 

 Bracou agrili, 144, 159. 

 Braconidse, 158, 190. 

 BranchiobdellidaB, 66. 

 Brentliid, northern, 147. 

 Brontes diibius, 151. 

 Brown-tailed moth, 156. 

 Buck-brush, 63. 

 Buckwheat, climbing, 227. 

 Buffalo, 118. 



Bug. ambush, 45. 46. 48, 50, 52, 53, 

 104, 174. 185, 189. 



chinch. Ill, 114. 



flea negro-, 172. 



leaf-footed, 138. 



milkweed, see milkweed bug. 



plant-, see plant-bug. 



slender-necked, 135. 



squash-, 189. 



stinging, 174. 



stink-, 50, 51, 187. 

 Bulrush, 44, 103. 

 Bumblebee, false, 52, 54, 120, 200. 



impatient. 56, 200. 



Pennsylvania, 45, 54, 56, 199. 

 Bumblebees, 47, 117. 

 Buprestidfe, 144, 145. 

 Buprestis splendens, 142. 

 Burdock. 227. 

 Bush honeysuckle, 183. 

 Butterflies," 187. 

 Butterflr, cabbage, 56, 182, 186. 



celery, 45, 182. 



cresphontes, 225. 



eurytus, 65, 226. 



idaiia, 45, 183. 



Butterfly — continued. 



milkweed, 45, 50, 183. 



philenor, 59, 61, 225. 



philodice, 45. 



portlandia, 65, 226. 



thoe, 53, 183. 



troilus, 59, 61, 225. 



turnus, 59, 225. 

 Butternut, 139, 146, 149, 227. 

 Buttonwood, 227. 



C 



Caberodes coufusaria, 61, 229. 

 Cacalia, 171. 

 Calandridas, 181. 

 Callipus, 133. 



lactarius, 64, 134, 205. 

 Calloides nobilis, 148. 

 Calopteron, black-tipped, 64, 221. 



reticulate, 64, 222. 



reticulatimi, 64, 126, 222. 



terminale, 64, 126, 221. 

 Calosoma, 140. 



scrutator, 59, 61, 124, 125, 132, 159, 

 220, 237. 

 Cambarus, 48, 50, 51. 



diogenes, 66, 128, 161, 204. 



gracilis, 45, 47, 48, 104, 108, 161. 

 immunis, 66, 205. 



propinquus, 66, 205. 

 Campanula americana, 63. 

 Camponotus, 147, 150, 209. 



hereuleanus, 154. 



pennsylvanicus, 62, 202, 204, 221, 

 223. 228, 236. 

 ferrugineus, 62, 65, 220, 237. 

 Campostoma anomalum, 66. 

 Campylenchia curvata, 48, 170. 

 Cankerworms. 221. 

 Carabida;, 116, 130, 175, 221. 

 Cardinalis cardinalis, 220. 

 Carex, 44. 

 Carya, 124. 



aiba. 40. 



cordiformis, 57, 60, 63. 



glabra, 40, 57, 60. 



microcarpa, 228. 



ovata, 40, 57, 60, 124, 229, 230. 

 Catalpa, 148. 



hardv. 148. 

 Caterpillar-hunter, 59, 61, 220. 



carpenter, 154. 



gall, 184. 



rotten-log. 61, 150, 153, 154, 228. 



slug. 61. 140, 229. 



-wasp, short, 59, 62, 238. 

 Caterpillars, 164, 193. 



